Patents by Inventor Francis Sikming Lau

Francis Sikming Lau has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • High temperature and pressure solids handling system
    Patent number: 9963649
    Abstract: A fluidized bed gasification system which comprises a fluidized bed gasification reactor having a bottom ash discharge outlet below the reactor, wherein an L-valve is used to control the rate of bottom ash discharge. The L-valve uses an aeration port located on distal side of the L-valve vertical pipe at a location that is above the center line of the horizontal pipe. Also provided are methods of controlling the bottom ash discharge as well the fluidized reaction bed height of the system.
    Type: Grant
    Filed: July 24, 2016
    Date of Patent: May 8, 2018
    Assignee: SYNTHESIS ENERGY SYSTEMS, INC.
    Inventor: Francis Sikming Lau
  • HIGH TEMPERATURE AND PRESSURE SOLIDS HANDLING SYSTEM
    Publication number: 20170130148
    Abstract: A fluidized bed gasification system which comprises a fluidized bed gasification reactor having a bottom ash discharge outlet below the reactor, wherein an L-valve is used to control the rate of bottom ash discharge. The L-valve uses an aeration port located on distal side of the L-valve vertical pipe at a location that is above the center line of the horizontal pipe. Also provided are methods of controlling the bottom ash discharge as well the fluidized reaction bed height of the system.
    Type: Application
    Filed: July 24, 2016
    Publication date: May 11, 2017
    Inventor: Francis Sikming Lau